Box closure



Aug. 25, 1931. c. E. HuF FMAN BOX CLOSURE Filed Oct. 14. 1929 INVENTOR Ckaz t E WITNESS ATTORNEY 1" wAipr m I I II 'F T vide a closure of this character which is Isi-in- P tented u 25; 1931" I I 'ff'rnoref particularlyto :boxes. I ry'object of the invention is to'proelesu f s fe P fil ple'in constructionfholds securely, unfastens V Another object'of the invention is to so construct the closure which combines with its fastening features anon-spill feature with- Y out the use of glue or glued fabrics and which renders the contents of the file, easily and equipped with such'closures to be stacked and 7 pressure exerted onthem'without unlocking theifasteners. I I i I g 1 In carrying out these objects, the inven' 'tion is susceptible of a wide range of'modifor convenlence'in illustration;"and- A j Fig.' 3is a detail -.transverse' vertical sectiongthrough one 1 end of the box or file 'equipped'withthis closure.

In (he embodiment illustrated a tax 1 equipped with: this invention is preferably made from fiberboard or card board of suitable, weight formed by slitting and folding. v I the various parts together as is'us'ual in forming boxes .ofthis, character, The lid or top of theffbox is preferably' formed' by slitting the material longitudinallyto provide two fl'aps '2 and 3 which'when closed will have "their slit, edges abutting and the closure constitutin g'this invention is designed forcompletely closingthe seain between the inner edges of these'flapsandfor firmly holding" I I I II I I II II I or-otherw1se; This strip: which may extend ,themKi'n their closediposition.

' Secured tothe upper face of the flap. 3 I I I I I I I l thereof as shown is securedto the flap 2 I I I along thefreeedge by rivetsand is designed 4100 along the inner edge thereof-is a strip 10 preferably constructed from; sheet steel of nvention relates to box cl'o'suresa'nd fioation without departing. from the spirit or,

FigtjQ is a similar-viewiwith'the closure sh'own partlyopen, parts being broken away 3o enemies E ZHuF'F MAN, or summon, NEBRASKA verylight gauge orfromany other suitable I "material. This seam closingstrip' 10 isrivetj ed oroth'erwisesecured to the fiap 3 and pro- I jects beyondthe edge'thereofso that-when I I this flap is closed the strip will overlie-thef II I edge of fl p 2 and thus renderthe center .-with a slight lift, and which will prevent bulging of the box wh e n-crowded.

seam dust-and vermin proof. Th'is seam *closing strip' 10 is ofa length greater than the length ofthefiap3 towhich' itis applied and has theends thereof foldedinwardly and secured to provide loops 11' and 12for f -s ecuringto the strip metal loops 13 and 14 I here shown rectangular inform and which quickly accessible and which permits files are'designed to provide a flexible jointfbe- I tween the seam closing strip 10, and the end 5" v "closing strips 15 and: 16. These end strips II 15 and'lt}are preferablymadeof-light-gauge I I I steel, heavyca'nvas or leather or any other suitable"materialandgeach has oneend en I I 'gaged with its cooperating loop 13 or 14c and "7 I stitched"or otherwise secured to provide a connectionl'?- These strips 15 and '16,.are

exactly'alike so that onefonlyiwillbe de sc'ribed in detail. Nearthe free end ofstrip Q -16is attachec1a fastener socket 18 such as is used in snap fasteners and which isdesigned rto cooperate' with a studQOsecured to the II endiof the box-at apoint about midway I I 7 the widththereoiii" Thelflexibly connected v strips :10 and 16'climinate tension caused by so i packing oryany handlingan'dhence. avoids all dangerof the fastener 1 becoming" unlocked. I I I To avoidspreading of the center seam and bulging "of the' end memb'ers 4 incident to *overpacking of the boxes or fi1es,anti spreadingdevices are applied to eachend and both being exactly alike hence one only is shown "and described and which is I11 1nibered"gen'-. era lly: 2,5: This anti-spreader consists of a smallplat eof thin metal 26 having anopen-I "ing27 to fit over the stud 20as shown clearly in'Fig. 2. This plate 26 also has a transverselyextendingopening or slot28. A strip of I "thin 'metal or 'stron g cloth 29 is looped-P9 7 through the slot 28' and secured by stitching the full lenr th of :the box or onlya part to be overlapped by the seam closing strip when the flaps 2 and 3' areclosed.

' In the use of this closure when flap 2 is shut down as shown-in Fig. 2 the end of the plate 26 is engaged with the stud before the fastener member 16 is snapped over said I stud. The flap. 3 is then shut down and the I flap fastener socket l8 engagedwith the stud 20 at each end of the box which will securely hold the box closed and'the contents efiective ly protected I l T i i I 'i To open the box the projecting end of the strip 16 is grasped by the fingers of the user" and lifted to release the socket from the stud a 20, it being of course understood that this aoperation is carried out at both ends of the i box and the flap 3 may be then raised to afiford access to ,the interior. ,7 I open flap 2 the plate 26 is disengaged from well known manner.

If desired to stud 20' and this flap may. be opened up in a I/Vithout furtherdescription it is'thought I that the features and advantages of'the in- Yvention will be readilyapparent to those skilled ,inthe art, and it will, of course be understood that changes in the form, propor- :tion and minor details of construction may I be resorted-to, without departing from the spirit of the invention or its scope as claimed. r I

5 'Iclaim: I

' 1,82o,so4

.thereof.:.: v v i engage the fastener elements on the ends of. the box.

3. In combination a box-having a two flap lid for closing the top ofthe box except for a slit at the meeting edges of the flaps, a strip secured to the edge of one flap to project over the edge ofthe othernflap andcoverthe slit between the flaps, membersfdepending from theextremities of said strip and loosely connected therewith to 'avoidlten'sion being exerted :on'isaid members; strips carried by the I 1; In combination a'box having-a two flap lid for closing the top of the'boxexceptfor a slit at the meeting edges of the flap a f strip secured to the edge of one flap to project, over the edge of the other' fiap and cover theslit between the flaps, 'members'depending from the extremitiesof said strip and loosely connected therewithto avoid tension 17 being exerted on said members, said-members having fastener elements, complemeni ltary fastener elements carried by the box it I ends for detachable engagement with the fa's-o tener'elements of said depending members,

and means carried by one of said flaps and having means for engagingthe fastener elements on the ends of the box for holding said i I box-flaps against spreading at the center seam :and the bulging ofthe box ends.

V 2. In combination a box havlng-a lid for closing the top of the box except for a slityat the meeting edges of the flaps fa strip secured to the edge of oneflap to pro-- H ject over theedge of the other'flap and cover the slit between the'flaps, members depend-' ing from the extremities of said strip and loosely. connected therewith to avoid tension .being'exerted on said members, said members having fastener elements complementary fastener elements carried by the box ends'for ridetachable engagement with the, fastener ele-- ments of said depending members, and means for-holding saidbox fla-p'sagainst spreading,

said'means comprising apertured' plates cari ried', by the underlying flap and adapted t0 7 two flap 

